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Surface water quality from soybeans on shallow water table soils
被引：0
作者：
Bengtson, RL
Carter, CE
Morris, HF
机构：
来源：
DRAINAGE IN THE 21ST CENTURY: FOOD PRODUCTION AND THE ENVIRONMENT: PROCEEDINGS OF THE 7TH INTERNATIONAL DRAINAGE SYMPOSIUM
|
1998年
关键词：
runoff;
soil erosion;
nitrogen;
phosphorus;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Sediment and nutrient losses were measured from a subsurface drainage-runoff-erosion experiment for the years 1988 to 1996. The experiment, located near Baton Rouge, Louisiana, consisted of five surface-drained plots, three of which were also subsurface drained. Subsurface drainage reduced surface runoff by 32%, soil loss by 48%, nitrogen loss by 39%, phosphorus loss by 35%, and potassium loss by 36%.
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页码：530 / 537
页数：8
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